Datasheet

R01DS0041EJ0150 Rev.1.50 Page 184 of 221
Oct 18, 2013
RX210 Group 5. Electrical Characteristics
Table 5.62 Channel Classification for A/D Converter
Classification Channel
Channel-Dedicated
Sample-and-Hold
Circuit
Conditions
High-precision channel AN000 to AN002 Used AVCC0 = 2.7 to 5.5 V
AVCC0 - 0.9 V ≤ VREFH0 ≤ AVCC0
VREFH0 ≥ 2.7 V
AVSS0 = VREFL0 = 0 V
0.25 V ≤ V
AN
≤ AVCC0 - 0.25 V
V
AN
≤ VREFH0
It is disallowed to use
pins AN000 to AN007
as digital outputs when
the A/D converter is
used.
Not used AVCC0 = 1.62 to 5.5 V
When AVCC0 ≥ 1.8 V,
AVCC0 - 0.9 V ≤ VREFH0 ≤ AVCC0
VREFH0 ≥ 1.8 V
When AVCC0 < 1.8 V,
VREFH0 = AVCC0
AVSS0 = VREFL0 = 0 V
0 V ≤ V
AN
≤ VREFH0
AN003 to AN007 —
Normal-precision channel AN008 to AN015 —
Table 5.63 A/D Internal Reference Voltage Characteristics
Conditions: VCC = AVCC0 = 1.62 to 5.5 V, VSS = AVSS0 = VREFL = VREFL0 = 0 V, Ta = 40 to +105°C
Item Min. Typ. Max. Unit Test Conditions
A/D internal reference voltage 1.35 1.50 1.65 V